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1 Jan 1816 Jahr - Invention of the stethoscope

Beschreibung:

René Laennec invented the stethoscope in 1816. It was monaural and composed of a wooden tube. This invention meant physicians could now perform auscultation without direct physical contact with the patient.

Zugefügt zum Band der Zeit:

History of Biotechnology

ByIsabella Santoni
18 Jan 2018

Datum:

1 Jan 1816 Jahr
Jetzt
~ 208 years ago
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